What Is Allergic Contact Dermatitis? Skin Rash, Triggers & Treatment Options

What Is Allergic Contact Dermatitis? Skin Rash, Triggers & Treatment Options Allergic contact dermatitis is a delayed allergic skin rash that develops when the immune system reacts to a specific substance touching the skin. It is not contagious, and it is different from ordinary irritation, hives, food allergy, or general sensitive skin. This page explains […]
What Is Actinic Keratosis (Solar Keratosis)? Warning Signs, Causes & Treatment Options

What Is Actinic Keratosis (Solar Keratosis)? Warning Signs, Causes & Treatment Options Actinic keratosis, also called solar keratosis, is a rough or scaly precancerous skin spot that develops on chronically sun-damaged skin. It should not be treated as a harmless dry patch when it persists, thickens, bleeds, crusts, becomes tender, or changes. This page explains […]
What Is Actinic Cheilitis (solar cheilitis)? Lip Symptoms, Sun Damage & Treatment Options

What Is Actinic Cheilitis (solar cheilitis)? Lip Symptoms, Sun Damage & Treatment Options Actinic cheilitis, also called solar cheilitis, is chronic sun damage on the lips that can cause persistent dryness, scaling, roughness, white patches, crusting, or lip-border blurring. It often affects the lower lip and may resemble stubborn chapped lips, but it is not […]
What Is Acanthosis Nigricans? Skin Darkening, Causes & Treatment Options

What Is Acanthosis Nigricans? Skin Darkening, Causes & Treatment Options Acanthosis nigricans is a skin condition that causes darker, thicker, often velvety-looking skin, usually in folds such as the neck, armpits, or groin. This pattern involves skin darkening, skin thickening, and a velvety texture, so it should not be treated as dirt or ordinary dark […]
What Is Acne? Skin Symptoms, Causes & Treatment Options

What Is Acne? Skin Symptoms, Causes & Treatment Options Acne is a common skin condition that develops when hair follicles or pores become blocked by oil, dead skin cells, inflammation, or related skin factors. Skin oil, also called sebum, is normal, but buildup inside follicles can lead to acne symptoms on acne-prone skin. This guide […]
